Forge Mods for Minecraft Java
Browse 37 free Forge mods for Minecraft Java — popular picks include Aquamirae [Neo/Forge Edition], Aquatic Torches, Mermod (NeoForge).
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Aquamirae [Neo/Forge Edition]
Ship graveyard with terrible deep sea creatures!
Aquatic Torches
Torches made from glowing squids that can be used underwater!
Mermod (NeoForge)
Adds a necklace that gives players mermaid tails upon contact with water.
Underwater Biome
New biomes in the ocean, new features and tech-tree!
Mountain Sea and Continent three(山海大陆)
It includes level enhancement, independent attribute system and damage mechanism, magic modification against enemies and creatures, complete upgrade and development system, and constantly improving building structure for players to explore.
Mermaid origins
This mod implements stuff and features for "Mermod (Forge)" mod.
Scuba Suit
Let's explore the ocean
Kylin Arm
add a curios that allow mining blocks with bare hands and increase mining speed when equipped, ignore mining slowdowns in air and underwater.
Mystic Seas
A mod that introduces mermaids, mermaid tails, and even some siren-related abilities!
BotaniaOverpowered
Infinite Dandelifeon, underwater Entropinnyum with TNT duper, and more
TFC Fresh Water Everywhere
Let’s embark on an imaginative journey where the oceans transform from salty to fresh waters
Magical Marines
A vanilla-styled 1.19.4+ mod that adds various fictional aquatic critters!
UnderDasea
A mod that aims to add life to the oceans.
One Piece World Like - Mine Piece
Transforms Minecraft into a true One Piece-inspired world with custom oceans, islands, conquest systems, and Grand Line exploration for the Mine Piece mod.
ROTP-Jumpin-Jack-Flash
Added the Stand "Jumpin' Jack Flash" from Stone Ocean.Features: barrage, heavy punch, scatter bullet, and gravity manipulation ability.
BloodSea
magical things, nothing else

StaffCraft: Evolution
StaffCraft: Evolution adds 10+ unique magical staffs with insane abilities. Freeze enemies, bend reality, summon meteors, control the ocean and more! Collect shards from mobs, craft powerful staffs, and battle friends in the arena with the /vs system. ⚔️
Breath Kelp
Vanilla kelp now acts as a quick underwater breathing source.

Blue Oceans
Blue Oceans is a technology-adventure mod designed to enhance the player's gaming experience by incorporating real-life items.It also includes some magical items.
Misanthrope Gas Engine
Atmospheric simulation, simulating gas pressure, all real life gasses, real thinning atmosphere, and reworked breathing to reflect, this affects all non-aquatic mobs
NauseaPotionMod
This potion is only available in Creative Mode. Tired of missing the Nausea effect in vanilla Minecraft? This mod adds a not craftable Nausea potion—no commands required. Or, if you want it even shorter: Creative-only.
Remove Armor Enchant 实用附魔与爱的魔药
Added a few powerful enchantments to the original version, helpful for combat and underwater exploration.本模组添加了两种附魔脱甲与炸塘,让你在战斗和环境破坏中有更多玩法。
Enchanted Villagers Mod (1.21.5, 1.20.1) – Magical Traders And Ocean Towers
Enchanted Villagers Mod introducing magical villagers with powerful new trade options. Found in unique ocean-based trader towers, each villager specializes in rare and enchanted goods. Features: New enchanted villagers with enhanced and magical trades. Custom trader towers spawn in specific ocean biomes: Spawn Egg Trader – Deep Frozen Ocean Item Trader – Deep Frozen Ocean […]
Full Turtle Armor Mod (1.21.5, 1.20.1) – New Armor with Underwater Benefits
Full Turtle Armor Mod is a mod that allows us to create a new variant of armor for our character, the turtle shell armor. This armor is crafted, as shown in the image below, solely from turtle shells. Each piece of armor grants extra time to breathe underwater. The turtle shell helmet allows for 10 […]
Crashfish Mod (1.19.2) – Crashfish Mob from Subnautica
Crashfish Mod introduces a hostile aquatic mob inspired by the creature from Subnautica. These entities spawn naturally in all ocean biomes, excluding frozen variants. Upon detecting a player within a certain radius, the Crashfish will aggressively pursue them. Detonation occurs upon close proximity to the player, inflicting significant damage, particularly to unarmored targets. Features: Introduces […]
Weapon Throw Mod (1.20.1, 1.18.2) – Throw to Kill
Weapon Throw Mod adds the ability to throw your axes and swords. Useful if you want to finish a mob or just want to have some fun. Features: Throw Enchantment: Increase throwing damage. Grounded Edge Enchantment: Chance to Apply weakness to near enemies on landing. Conccusion Enchantment: Chance to Apply Nausea and Slowness. Gravity Cursed […]
Bottle o' Air Mod (1.20.1, 1.19.4) – Oxygen Bottles To Breathe Underwater
When dealing with underwater stuff in Minecraft, running out of oxygen is a serious issue. Players dive deep into the ocean and forget to look at the oxygen tracking bar. And before they know it, the bubbles run out and the player starts taking damage. If he does not make it to the water surface […]
MermaidCraft Mod 1.7.10 (Become a Powerful Mermaid)
MermaidCraft Mod 1.7.10 is based on the Tv-Show "H20 Just Add Water" and "Mako Mermaids". It adds new items like moonring, powerful tools, weapons, mobs and flowers. This mod does not give you an actual mermaid tail, but it does give you magical mermaid powers. Features: A Moonring gives 50 hearts damage. A Trident gives […]
Mermaid Tail Mod
This mod gives players mermaid tails when they touch water.
The Ocean Expansion
A mod that improves the oceans!
Aquatic Artifacts
Adds in a bunch of water related items like wands, armor, and more!
Oceanic Equipment
This mod added new bosses and things for survival
Nightmares And Mobs
Are you afraid of ignorance? ;) Sea And Desert Update!!!
Sea Kings & Straw Hats
One Piece Mod Minecraft
Hellish Blåhaj
Soft toy, shark mod, 16px, Hellish style.
Screwdriver Additions
A mod to fix some minor personal gripes I have with the game - no hunger/nausea potions, no bell recipe, etc. Also adds some minor "sinks" to items like Flint and Amethyst that, in my eyes, don't have nearly enough good uses.